This is the Air Force radiation sniffer plane deploying after North Korea’s nuclear test

The U.S. Air Force will soon deploy a WC-135 Constant Phoenix aircraft to test for radiation near North Korea, part of the U.S. military’s ongoing effort to determine what the country’s provocative nuclear bomb test entailed.
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HOW WWI was started: Crash Course


Who started WWI?: Crash Course


Image of the Day: 7 January 2016

Marching off to the Great War. London, 1915